American Express Company named Stephen J. Squeri Chairman and Chief Executive Officer, effective February 1, 2018. He will succeed Kenneth I. Chenault, who is retiring after 17 years at the helm of the company. 
World Wide Technology, Inc. named retired Army Lieutenant General Robert Ferrell as Vice President of Federal Strategy. 
DXC Technology Company announced that it had agreed to a merger of its U.S. Public Sector (USPS) business with Vencore Holding Corporation and KeyPoint Government Solutions to form a separate, independent publicly traded company.